utakata (kochou no yume), fujiwara no mokou, houraisan kaguya, touhou, silver hair, striped legwear, 2girls, back-to-back, bare shoulders, barefoot, black hair, bow, brown eyes, dutch angle, female focus, hair bow, hair ribbon, long hair, multiple girls, open clothes, panties, red eyes, ribbon, sitting, sliding doors, socks, striped clothes, striped panties, striped thighhighs, thighhighs, underwear